Johns Manville began selling and marketing EPDM in 1982 and has since become a proven, dependable leader and provider of EPDM commercial roofing membranes and accessories.

JM EPDM FIT Systems

EPDM R FIT (MF) Install Guide

The JM TPO Challenge

Whether you are new to JM TPO single ply roofing systems or have used competitive products, there are plenty of strong reasons to make JM TPO your system of choice. Now you can add these contractor recommendations to the list. Contractors helped us formulate our product, and now they are seeing the difference.

JM 12-FT TPO Brochure

JM TPO Self-Adhered Advantages

JM TPO Water Based Adhesive

Adhesive Migration Cheat Sheet

One-Part Pourable Sealer Installation Guide

JM One-Part Pourable Sealer is very easy to install when addressing rooftop penetrations, and it is compatible with all JM single ply products. To ensure that you have a long-lasting, watertight roof, follow these simple steps when applying this product.

PVC and Common Rooftop Chemicals

JM PVC AND JM PVC SD PLUSSAMPLING OF COMMON ROOFTOP CHEMICALS

JM PVC Advantage

Our Unique Partnership with Cooley, Proven for Over 25 Years

PVC 80mil Systems Brochure

JM Single Ply and Bituminous Hybrid Systems

JM Single Ply Metal Retrofit Systems

Cool Roof Solutions

Title 24, Part 6 Compliant

JMCleanBond™ Self Adhering Fire Resistant System

A solid bond to roof substrates and to itself... JMCleanBond is engineered with unique asphalt-to-asphalt technology, making the bond instantly waterproof.